“PhotoDesk provides a slick, simple, desktop way to view and appreciate the photos of others.” http://www.tuaw.com/2011/05/05/tuaws-daily-mac-app-photodesk/

* Comment Features:

– See which comments you replied to, star comments, search within comments, and much more. – See all comments for all images from multiple accounts in one screen – Quickly reply to comments – See which comments you already replied to

* Receive News and Notifications

* Creates bookmarks for different types

* Tags

– Place favorite tags in the sidebar, automatically see if there’re new images tagged with that tag. – Search tags, save favorite tags, see related tags

** Impression analytics features (In-app purchase required):**

The *Comments* view offers powerful comment management features:

– See all most recently posted comments or – See all comments posted since you last started Photodesk – Search for specific comments – Group comments by image or author – Sort comments by image, author, date, and more – Star comments and remember which one you already replied to – Print comments on paper for archival and more – Export comments as JSON